WO2005072579A1 - Coffee machine having a drawer through which it is supplied with a coffee pad - Google Patents

Coffee machine having a drawer through which it is supplied with a coffee pad Download PDF

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Publication number
WO2005072579A1
WO2005072579A1 PCT/EP2005/050327 EP2005050327W WO2005072579A1 WO 2005072579 A1 WO2005072579 A1 WO 2005072579A1 EP 2005050327 W EP2005050327 W EP 2005050327W WO 2005072579 A1 WO2005072579 A1 WO 2005072579A1
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WO
WIPO (PCT)
Prior art keywords
coffee
drawer
holder
coffee machine
coffee pad
Prior art date
Application number
PCT/EP2005/050327
Other languages
German (de)
French (fr)
Inventor
Johann Magg
Markus Obermaier
Albert Ostermaier
Original Assignee
BSH Bosch und Siemens Hausgeräte GmbH
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by BSH Bosch und Siemens Hausgeräte GmbH filed Critical BSH Bosch und Siemens Hausgeräte GmbH
Priority to EP05707849A priority Critical patent/EP1713363A1/en
Publication of WO2005072579A1 publication Critical patent/WO2005072579A1/en

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/24—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure
    • A47J31/34—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure
    • A47J31/36—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means
    • A47J31/3666—Coffee-making apparatus in which hot water is passed through the filter under pressure, i.e. in which the coffee grounds are extracted under pressure with hot water under liquid pressure with mechanical pressure-producing means whereby the loading of the brewing chamber with the brewing material is performed by the user
    • A47J31/3676—Cartridges being employed
    • A47J31/368—Permeable cartridges being employed
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/4403—Constructional details
    • A47J31/446—Filter holding means; Attachment of filters to beverage-making apparatus
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47J—KITCHEN EQUIPMENT; COFFEE MILLS; SPICE MILLS; APPARATUS FOR MAKING BEVERAGES
    • A47J31/00—Apparatus for making beverages
    • A47J31/44—Parts or details or accessories of beverage-making apparatus
    • A47J31/4403—Constructional details
    • A47J31/446—Filter holding means; Attachment of filters to beverage-making apparatus
    • A47J31/4467—Filter holding means; Attachment of filters to beverage-making apparatus by means of linear guides, e.g. drawer-type engagement

Definitions

  • the invention relates to a coffee machine according to the preamble of claim 1.
  • Coffee machines of the prior art work according to different principles.
  • the most common models are the so-called pressureless coffee machines.
  • water flows from a storage tank into an electrically heatable pipe.
  • heated water is then pressed through a riser to an outlet through which the heated water then drips into a coffee filter.
  • the filter coffee can then flow into a jug at atmospheric pressure.
  • ground coffee there is an increased pressure in the area of ground coffee, for example 15 bar, in espresso machines.
  • This is achieved by supplying water from a water container or another water supply to an electric motor-driven pump, which then supplies the water under high pressure to a coffee grounds receiving device via an electrically heatable area.
  • This ground coffee intake device generally comprises a sieve for receiving the coffee.
  • the coffee grinder is arranged during operation in an area which is sealed off from the atmosphere and which can be referred to as the pressure chamber or brewing chamber.
  • the water for preparing the coffee is first transferred from a water container into a heatable intermediate container.
  • the heated water passes from this intermediate container to an electric motor-driven pump, from which it is fed to a ground coffee intake device under increased pressure, for example 2 to 3 bar.
  • a ground coffee intake device under increased pressure, for example 2 to 3 bar.
  • the coffee is not introduced in loose form as ground coffee into the ground coffee receiving device, but instead is placed in a holder in the form of a coffee pad, that is to say in a compressed form surrounded by filter paper.
  • the holder can form a sealed pressure chamber with a holder cover via which water is supplied.
  • the holder for the coffee pods has several functions.
  • the holder provides a sealing surface, so that a pressure chamber can be formed.
  • the holder also has an outlet opening from which the coffee can escape.
  • the coffee pad should be stored in the holder in such a way that the flow through the coffee pad is not hindered.
  • Such a coffee machine occupies an intermediate position between a conventional unpressurized coffee machine and an espresso machine.
  • WO 01/15582 AI relates to a coffee machine to which the ground coffee is supplied in the form of coffee pods.
  • the coffee pods are inserted into a lower part of the brewing chamber, and the upper part of the brewing chamber can be hinged onto the lower part by the user, a snap-in connection between the two housing parts which can be folded relative to one another ensuring that the brewing chamber is sealed.
  • the problem with this system is that the coffee pad can stick to the upper part of the brewing chamber after opening the coffee machine. Another problem can arise if the coffee machine is actuated in the open state, since the hot water can then spray toward the user of the coffee machine.
  • EP 1 050 258 AI discloses a coffee machine in which coffee pods are inserted into a drawer that has been pulled out and then brought into the brewing position by moving the drawer in. To seal the brewing chamber, a brewing chamber upper part is automatically moved from above to practice the coffee pad. After the brewing process, the coffee pods are automatically disposed of in a collection container inside the coffee machine. In particular due to the motor-driven components of the coffee machine, this is very complex to manufacture and therefore expensive.
  • the invention has for its object to provide a simple solution for the supply and removal of coffee pods available, in particular the risk of splashing out of hot water should be eliminated, and in which there is no possibility that a coffee pad on the top of the brewing chamber sticks.
  • the invention builds on the generic coffee machine in that a coffee pad holder arranged in the drawer is at least partially embraced by at least one essentially vertically displaceable holding device in the inserted state of the drawer, so that the coffee pad holder can be lifted with the holding device, and that by lifting the coffee pad holder a brewing chamber surrounding the coffee pad is formed. Due to the use of a drawer to feed the coffee pod, there is no need to move the water supply. This therefore remains in a position in which escaping water runs down or splashes and in particular not in the direction of the user. By forming the brewing chamber only after the coffee pad holder has been lifted, the drawer can be inserted or removed from the coffee machine without hindrance by the sealing means. When the drawer is pulled out, the coffee pad cannot stick to the top of the brewing chamber, as it is stripped off by the pull-out movement.
  • the holding device has two clamps which surround the coffee pod holder on opposite sides and which can be raised or lowered by a lever mechanism. This is a simple design of the holding device, which also enables a controlled lifting and thus a controlled sealing of the brewing chamber.
  • each clamp has an extension at its lower end, which acts on the coffee pad holder with an upward force when the holding device is raised.
  • the extensions reach under the coffee pad holder. When the holding device is lowered, the coffee pad holder is therefore moved into its lowered position by gravity.
  • At least one of the clamps has a further extension, which acts on the coffee pad holder with a downward force when the holding device is lowered. This can ensure that jamming of the coffee pad holder in its raised position is unproblematic since the coffee pad holder is actively carried along when the holding device is lowered.
  • the lever mechanism has a hand-operated lever which is arranged on the top of the coffee machine.
  • the manual actuation of the lever and thus the holding device is a particularly cost-effective solution compared to automatically driven lowering or lifting devices.
  • the arrangement of the lever on the top of the coffee machine allows easy access and is therefore user-friendly Solution.
  • the invention is based on the finding that a reliable and user-friendly supply option for coffee pods is provided by a coffee pad holder that can be raised and lowered in a horizontally feedable drawer.
  • Figure la is a perspective view of a coffee machine in a first state to explain the invention.
  • FIG. 1b shows a perspective illustration of a coffee machine in a second state to explain the invention
  • FIG. 2a shows a plan view of a drawer with an inserted coffee pad holder
  • FIG. 2b shows a side view of a drawer with an inserted coffee pad holder
  • Figure 3 is a sectional view of a housing part of a coffee machine according to the invention.
  • FIG. la shows a perspective view of a coffee machine in a first state to explain the invention.
  • Figure lb shows a perspective view of a coffee machine in a second state to explain the invention.
  • the coffee machine 110 according to the invention comprises a flat front part 112 and a columnar rear assembly 114. Cups for removing coffee can be arranged on the front part 112 via an outlet 116.
  • a water tank 118 is inserted into the rear assembly 114.
  • the rear assembly 114 further comprises an insertion area 120, into which a drawer 122, explained in more detail in connection with FIG. 2, with an inserted coffee pad holder can be inserted.
  • the drawer 122 is shown in FIG. 1a in the inserted state and in FIG. 1b in the removed state.
  • a water supply and a holder cover are arranged inside the housing, which together with the holder sitting in the drawer 122 forms the brewing chamber. This is sealed after inserting the drawer 122 by turning the lever 124 and thereby raising the clamps 126, 128 by pressing the holder and holder cover together.
  • FIG. 2a shows a top view of a coffee pad holder according to the invention inserted into a carrier.
  • the carrier designed as a drawer 210 has a bottom region 212 and a raised edge region 214, 216. Furthermore, guide projections 218 are provided which allow the drawer 210 to be inserted into the lighten thrust area 120 (see Figure lb).
  • the coffee pad holder 220 is inserted into the drawer 210. In the middle of the coffee pad holder 220, an outlet opening 222 can be seen.
  • FIG. 2b shows a side view of a drawer with a coffee pad holder inserted. It can be seen here that the drawer 210 is made with little material and holds the coffee pad holder 220 in a form-fitting manner.
  • the coffee pad holder 220 itself has a peripheral edge 224, and the bottom region 226 of the coffee pad holder 220 is designed to be inclined towards the center, that is to say toward the outlet opening 222.
  • the bottom area 226 can be provided with spacers, not shown here, which can be formed, for example, by knobs or circular segments with different pitch angles. It is also possible to place a grid, for example a wire grid, on the bottom area 226 and thus ensure a distance between the coffee pad and the bottom area 226.
  • FIG. 3 shows a sectional view of a housing part of a coffee machine according to the invention. Numerous details of the coffee machine according to the invention are shown.
  • the brewing chamber 330 formed from the coffee pad holder 320 and a holder cover 328 can be seen.
  • the holding cover 328 is preferably made of elastic silicone, while the coffee pad holder 320 is made of hard plastic.
  • a sealed pressure chamber or a sealed brewing chamber 330 can be formed by pressing the coffee pod holder 320 onto the holder cover 328.
  • the water required for the preparation of the coffee is fed to a channel 332 above the brewing chamber 330, and from there it reached the brewing chamber 330 through openings, not shown, in the holder cover 328.
  • projections 334 can be provided on the holder cover 328, which hold the inserted coffee pad press against the coffee pad holder 320.
  • the coffee pad holder 320 is pressed against the holder cover 328 by lifting the clamps 336, 338.
  • These clamps 336, 338 engage under the coffee pad holder 320 with extensions at their lower end and rest with extensions on the opposite end on end regions of a shaft 340.
  • These end regions of the shaft 340 have a larger diameter in the section plane than perpendicular to the section plane, so that the clamps 336, 338 can be lowered by rotating the shaft by 90 °. This also lowers the coffee pad holder 220, whereupon it can be removed from the coffee machine together with the drawer.

Abstract

The invention relates to a coffee machine (110) having a drawer (122, 210) which can be pushed into the coffee machine (110) in a substantially horizontal manner with the coffee pad inserted therein so as to supply the machine with a coffee pad. In order to provide a simple and reliable possibility for supplying the coffee pad to and removing it from the coffee machine (110), a coffee pad retainer (220) is located in the drawer (122, 210) and is at least partially encircled, in the pushed-in state of the drawer (122, 210), by a retaining device that can be displaced in a substantially vertical manner so that the coffee pad retainer (220) can be lifted by means of the retaining device. When the coffee pad retainer (220) is lifted, a brewing chamber (330) enclosing the coffee pad is formed.

Description

Beschreibung Kaffeemaschine mit einer Schublade zum Zuführen eines Kaffeepads Description Coffee machine with a drawer for feeding a coffee pod
[001] Die Erfindung betrifft eine Kaffeemaschine gemäß dem Oberbegriff von Anspruch 1.The invention relates to a coffee machine according to the preamble of claim 1.
[002] Kaffeemaschinen des Standes der Technik arbeiten nach unterschiedlichen Prinzipien. Die gängigsten Modelle sind die sogenannten drucklos arbeitenden Kaffeemaschinen. Bei diesen fließt Wasser aus einem Norratsbehälter in ein elektrisch beheizbares Rohr. InsbeDsondere durch Dampfentwicklung in diesem Rohr wird erwärmtes Wasser dann durch eine Steigleitung zu einem Auslauf gedrückt, über welchen das erwärmte Wasser dann in einen Kaffeefilter tropft. Aus diesem Kaffeefilter kann der Filterkaffee bei atmosphäriQschem Druck dann in eine Kanne fließen.[002] Coffee machines of the prior art work according to different principles. The most common models are the so-called pressureless coffee machines. With these, water flows from a storage tank into an electrically heatable pipe. In particular, due to the development of steam in this tube, heated water is then pressed through a riser to an outlet through which the heated water then drips into a coffee filter. From this coffee filter, the filter coffee can then flow into a jug at atmospheric pressure.
[003] Im Gegensatz hierzu liegt bei Espressomaschinen ein erhöhter Druck im Bereich des Kaffeemehls vor, beispielsweise 15 bar. Dies wird erreicht, indem Wasser aus einem WasDserbehälter oder einer sonstigen Wasserzuführung einer elektromotorisch angetriebenen Pumpe zugeführt wird, die das Wasser dann unter hohem Druck über einen elektrisch bedheizbaren Bereich einer Kaffeemehlaufnahmeeinrichtung zuführt. Diese Kaffeemehlaufflnahmeeinrichtung umfasst im Allgemeinen ein Sieb zur Aufnahme des Kaffees. Zur ErDzeugung des hohen Drucks im Bereich des Kaffees ist die KaffeemehlaufnahmeeinrichGtung während des Betriebs in einem gegen die Atmosphäre abgedichteten Bereich angeDordnet, der als Druckraum oder Brühkammer bezeichnet werden kann.In contrast, there is an increased pressure in the area of ground coffee, for example 15 bar, in espresso machines. This is achieved by supplying water from a water container or another water supply to an electric motor-driven pump, which then supplies the water under high pressure to a coffee grounds receiving device via an electrically heatable area. This ground coffee intake device generally comprises a sieve for receiving the coffee. To generate the high pressure in the area of the coffee, the coffee grinder is arranged during operation in an area which is sealed off from the atmosphere and which can be referred to as the pressure chamber or brewing chamber.
[004] Bei einer weiteren prinzipiell anders arbeitenden Kaffeemaschine ist vorgesehen, das Wasser zur Zubereitung des Kaffees zunächst aus einem Wasserbehälter in einen beDheizbaren Zwischenbehälter zu überführen. Von diesem Zwischenbehälter gelangt das erwärmte Wasser zu einer elektromotorisch angetriebenen Pumpe, von der es unter erQhöhtem Druck, beispielsweise 2 bis 3 bar, einer Kaffeemehlaufnahmeeinrichtung zugeDführt wird. Dabei ist vorgesehen, dass der Kaffee, anders als bei der Espressomaschine, nicht in loser Form als Kaffeemehl in die Kaffeemehlaufnahmeeinrichtung eingebracht wird, sondern in Form eines Kaffeepads, das heißt in verdichteter Form mit Filterpapier umgeben, in einen Halter eingelegt wird. Der Halter kann mit einer Halterabdeckung, über die Wasser zugeführt wird, einen abgedichteten Druckraum bilden. Dem Halter für die Kaffeepads kommen dabei mehrere Funktionen zu. Zum einen stellt der Halter eine Dichtfläche bereit, so dass eine Druckkammer gebildet werden kann. Weiterhin hat der Halter eine Auslas sDöffnung, aus der der Kaffee austreten kann. Ferner soll der Kaffeepad in einer Weise in dem Halter gelagert sein, so dass das Durchströmen des Kaffeepads nicht behindert wird. Eine derartige Kaffeemaschine nimmt eine Zwischenstellung zwischen einer herkömmliDchen drucklosen Kaffeemaschine und einer Espressomaschine ein.In another coffee machine that works in principle differently, it is provided that the water for preparing the coffee is first transferred from a water container into a heatable intermediate container. The heated water passes from this intermediate container to an electric motor-driven pump, from which it is fed to a ground coffee intake device under increased pressure, for example 2 to 3 bar. It is provided that, unlike in the case of the espresso machine, the coffee is not introduced in loose form as ground coffee into the ground coffee receiving device, but instead is placed in a holder in the form of a coffee pad, that is to say in a compressed form surrounded by filter paper. The holder can form a sealed pressure chamber with a holder cover via which water is supplied. The holder for the coffee pods has several functions. On the one hand, the holder provides a sealing surface, so that a pressure chamber can be formed. The holder also has an outlet opening from which the coffee can escape. Furthermore, the coffee pad should be stored in the holder in such a way that the flow through the coffee pad is not hindered. Such a coffee machine occupies an intermediate position between a conventional unpressurized coffee machine and an espresso machine.
[005] Die WO 01/15582 AI betrifft eine Kaffeemaschine, der das Kaffeemehl in Form von Kaffeepads zugeführt wird. Die Kaffeepads werden in ein Unterteil der Brühkammer eingelegt, und das Oberteil der Brühkammer kann über ein Scharnier von dem Benutzer auf das Unterteil geklappt werden, wobei eine einrastende Verbindung zwischen den beiden relativ zueinander klappbaren Gehäuseteilen für eine Abdichtung der Brühkammer sorgt. Problematisch an diesem System ist, dass das Kaffeepad nach dem Brühvorgang beim Öffnen der Kaffeemaschine am Brühkammeroberteil kleben bleiben kann. Ein weiteres Problem kann entstehen, wenn die Kaffeemaschine im geöffneten Zustand betätigt wird, da dann das heiße Wasser in Richtung des Benutzers der Kaffeemaschine spritzen kann.[005] WO 01/15582 AI relates to a coffee machine to which the ground coffee is supplied in the form of coffee pods. The coffee pods are inserted into a lower part of the brewing chamber, and the upper part of the brewing chamber can be hinged onto the lower part by the user, a snap-in connection between the two housing parts which can be folded relative to one another ensuring that the brewing chamber is sealed. The problem with this system is that the coffee pad can stick to the upper part of the brewing chamber after opening the coffee machine. Another problem can arise if the coffee machine is actuated in the open state, since the hot water can then spray toward the user of the coffee machine.
[006] Aus der EP 1 050 258 AI ist eine Kaffeemaschine bekannt, bei der Kaffepads in eine herausgefahrene Schublade eingelegt und dann durch Hereinfahren der Schublade in die Brühposition gebracht werden. Zur Abdichtung der Brühkammer wird vor dem Brühvorgang ein Brühkammeroberteil automatisch von oben üben den Kaffeepad gefahren. Nach dem Brühvorgang werden die Kaffeepads automatisch innerhalb der Kaffeemaschine in einem Auffangbehälter entsorgt. Insbesondere aufgrund der motorisch angetriebenen Bauteile der Kaffeemaschine ist diese in der Fertigung sehr aufwendig und daher teuer.[006] EP 1 050 258 AI discloses a coffee machine in which coffee pods are inserted into a drawer that has been pulled out and then brought into the brewing position by moving the drawer in. To seal the brewing chamber, a brewing chamber upper part is automatically moved from above to practice the coffee pad. After the brewing process, the coffee pods are automatically disposed of in a collection container inside the coffee machine. In particular due to the motor-driven components of the coffee machine, this is very complex to manufacture and therefore expensive.
[007] Der Erfindung liegt die Aufgabe zugrunde, eine einfache Lösung für das Zuführen und Entnehmen von Kaffeepads zur Verfügung zu stellen, wobei insbesondere die Gefahr durch Herausspritzen von heißem Wasser beseitigt sein soll, und bei der keine Möglichkeit besteht, dass ein Kaffeepad am Brühkammeroberteil kleben bleibt.The invention has for its object to provide a simple solution for the supply and removal of coffee pods available, in particular the risk of splashing out of hot water should be eliminated, and in which there is no possibility that a coffee pad on the top of the brewing chamber sticks.
[008] Diese Aufgabe wird mit den Merkmalen der unabhängigen Ansprüche gelöst.[008] This object is achieved with the features of the independent claims.
[009] Vorteilhafte Ausführungsformen der Erfindung sind in den abhängigen Ansprüchen angeDgeben.[009] Advantageous embodiments of the invention are given in the dependent claims.
[010] Die Erfindung baut auf der gattungsgemäßen Kaffeemaschine dadurch auf, dass ein in der Schublade angeordneter Kaffeepadhalter im eingeschobenen Zustand der Schublade von mindestens einer im Wesentlichen vertikal verschiebbaren Halteeinrichtung zumindest teilweise umgriffen wird, so dass der Kaffeepadhalter mit der Halteeinrichtung angehoben werden kann, und dass durch Anheben des Kaffee- padhalters eine den Kaffeepad umgebende Brühkammer gebildet wird. Aufgrund der Verwendung einer Schublade zum Zuführen des Kaffeepads ist es nicht erforderlich, die Wasserzuführung zu bewegen. Diese verbleibt daher in einer Stellung, in der austretendes Wasser nach unten läuft beziehungsweise spritzt und insbesondere nicht in Richtung auf den Benutzer. Indem die Brühkammer erst nach dem Anheben des Kaffeepadhalters gebildet wird, kann die Schublade ohne Behinderung durch die Dichtungsmittel in die Kaffeemaschine eingeschoben werden beziehungsweise aus dieser entnommen werden. Beim Herausziehen der Schublade kann der Kaffeepad nicht am Brühkammeroberteil kleben bleiben, da er durch die Herausziehbewegung von diesem abgestreift wird.The invention builds on the generic coffee machine in that a coffee pad holder arranged in the drawer is at least partially embraced by at least one essentially vertically displaceable holding device in the inserted state of the drawer, so that the coffee pad holder can be lifted with the holding device, and that by lifting the coffee pad holder a brewing chamber surrounding the coffee pad is formed. Due to the use of a drawer to feed the coffee pod, there is no need to move the water supply. This therefore remains in a position in which escaping water runs down or splashes and in particular not in the direction of the user. By forming the brewing chamber only after the coffee pad holder has been lifted, the drawer can be inserted or removed from the coffee machine without hindrance by the sealing means. When the drawer is pulled out, the coffee pad cannot stick to the top of the brewing chamber, as it is stripped off by the pull-out movement.
[011] Nützlicherweise ist vorgesehen, dass die Halteeinrichtung zwei den Kaffeepadhalter an gegenüberliegenden Seiten umgreifende Klammern aufweist, die von einem Hebelmechanismus angehoben beziehungsweise abgesenkt werden können. Dies ist eine einfache Auslegung der Halteeinrichtung, die zudem ein kontrolliertes Anheben und somit ein kontrolliertes Abdichten der Brühkammer ermöglicht.[011] It is usefully provided that the holding device has two clamps which surround the coffee pod holder on opposite sides and which can be raised or lowered by a lever mechanism. This is a simple design of the holding device, which also enables a controlled lifting and thus a controlled sealing of the brewing chamber.
[012] Die erfindungsgemäße Kaffeemaschine ist in vorteilhafter Weise dadurch weitergebildet, dass jede Klammer an ihrem unteren Ende einen Fortsatz aufweist, der beim Anheben der Halteeinrichtung den Kaffeepadhalter mit einer nach oben gerichteten Kraft beaufschlagt. Auch hier ist festzustellen, dass eine besonders einfache Lösung vorliegt. Insbesondere kann vorgesehen sein, dass die Fortsätze unter den Kaffeepadhalter greifen. Beim Absenken der Halteeinrichtung wird der Kaffeepadhalter daher durch die Schwerkraft in seine abgesenkte Position überführt.The coffee machine according to the invention is advantageously further developed in that each clamp has an extension at its lower end, which acts on the coffee pad holder with an upward force when the holding device is raised. Here, too, it should be noted that there is a particularly simple solution. In particular, it can be provided that the extensions reach under the coffee pad holder. When the holding device is lowered, the coffee pad holder is therefore moved into its lowered position by gravity.
[013] Es kann aber auch vorgesehen sein, dass zumindest eine der Klammern einen weiteren Fortsatz aufweist, der beim Absenken der Halteeinrichtung den Kaffeepadhalter mit einer nach unten gerichteten Kraft beaufschlagt. Hierdurch kann erreicht werden, dass ein Verklemmen des Kaffeepadhalters in seiner angehobenen Position unproblematisch ist, da der Kaffeepadhalter aktiv beim Absenken der Halteeinrichtung mitgenommen wird.However, it can also be provided that at least one of the clamps has a further extension, which acts on the coffee pad holder with a downward force when the holding device is lowered. This can ensure that jamming of the coffee pad holder in its raised position is unproblematic since the coffee pad holder is actively carried along when the holding device is lowered.
[014] Nützlicherweise ist vorgesehen, dass der Hebelmechanismus einen von Hand betätigbaren Hebel aufweist, der an der Oberseite der Kaffeemaschine angeordnet ist. Die manuelle Betätigung des Hebels und somit der Halteeinrichtung ist eine besonders kostengünstige Lösung im Vergleich zu automatisch angetriebenen Absenk- beziehungsweise Anhebvorrichtungen. Die Anordnung des Hebels auf der Oberseite der Kaffeemaschine ermöglicht einen leichten Zugriff und stellt somit eine bedienerfreundliche [015] Lösung dar.[014] It is usefully provided that the lever mechanism has a hand-operated lever which is arranged on the top of the coffee machine. The manual actuation of the lever and thus the holding device is a particularly cost-effective solution compared to automatically driven lowering or lifting devices. The arrangement of the lever on the top of the coffee machine allows easy access and is therefore user-friendly Solution.
[016] Der Erfindung liegt die Erkenntnis zugrunde, dass durch einen anhebbaren und absenkbaren Kaffeepadhalter in einer horizontal zuführbaren Schublade eine zuverlässige und bedienerfreundliche Zufuhrmöglichkeit für Kaffeepads zur Verfügung gestellt wird.The invention is based on the finding that a reliable and user-friendly supply option for coffee pods is provided by a coffee pad holder that can be raised and lowered in a horizontally feedable drawer.
[017] Die Erfindung wird nun mit Bezug auf die begleitenden Zeichnungen anhand besonders bevorzugter Ausführungsformen beispielhaft erläutert. Dabei zeigt:[017] The invention will now be explained by way of example with reference to the accompanying drawings using particularly preferred embodiments. It shows:
[018] Figur la eine perspektivische Darstellung einer Kaffeemaschine in einem ersten Zustand zur Erläuterung der Erfindung;Figure la is a perspective view of a coffee machine in a first state to explain the invention;
[019] Figur lb eine perspektivische Darstellung einer Kaffeemaschine in einem zweiten Zustand zur Erläuterung der Erfindung;FIG. 1b shows a perspective illustration of a coffee machine in a second state to explain the invention;
[020] Figur 2a eine Draufsicht auf eine Schublade mit eingesetztem Kaffeepadhalter;2a shows a plan view of a drawer with an inserted coffee pad holder;
[021] Figur 2b eine Seitenansicht einer Schublade mit eingesetztem Kaffeepadhalter; und[021] FIG. 2b shows a side view of a drawer with an inserted coffee pad holder; and
[022] Figur 3 eine Schnittansicht eines Gehäuseteils einer erfindungsgemäßen Kaffeemaschine.Figure 3 is a sectional view of a housing part of a coffee machine according to the invention.
[023] Figur la zeigt eine perspektivische Darstellung einer Kaffeemaschine in einem ersten Zustand zur Erläuterung der Erfindung. Figur lb zeigt eine perspektivische Darstellung einer Kaffeemaschine in einem zweiten Zustand zur Erläuterung der Erfindung. Die erfindungsgemäße Kaffeemaschine 110 umfasst ein flaches Vorderteil 112 und eine säulenartige hintere Baugruppe 114. Auf dem Vorderteil 112 können Tassen zur Entnahme von Kaffee über einen Auslauf 116 angeordnet werden. In die hintere Baugruppe 114 ist ein Wasserbehälter 118 eingesetzt. Die hintere Baugruppe 114 umfasst weiterhin einen Einschubbereich 120, in den eine in Zusammenhang mit Figur 2 näher erläuterte Schublade 122 mit eingesetztem Kaffeepadhalter einschiebbar ist. Die Schublade 122 ist in Figur la im eingesetzten und in Figur lb im entnommenen Zustand abgebildet. Oberhalb des Einschubbereiches 120 sind innerhalb des Gehäuses eine Wasserzuführung sowie eine Halterabdeckung angeordnet, die zusammen mit dem in der Schublade 122 sitzenden Halter die Brühkammer bildet. Diese wird nach dem Einsetzen der Schublade 122 durch Umlegen des Hebels 124 und hierdurch bewirktes Anheben der Klammern 126, 128 durch Zusammenpressen von Halter und Halterabdeckung abgedichtet.Figure la shows a perspective view of a coffee machine in a first state to explain the invention. Figure lb shows a perspective view of a coffee machine in a second state to explain the invention. The coffee machine 110 according to the invention comprises a flat front part 112 and a columnar rear assembly 114. Cups for removing coffee can be arranged on the front part 112 via an outlet 116. A water tank 118 is inserted into the rear assembly 114. The rear assembly 114 further comprises an insertion area 120, into which a drawer 122, explained in more detail in connection with FIG. 2, with an inserted coffee pad holder can be inserted. The drawer 122 is shown in FIG. 1a in the inserted state and in FIG. 1b in the removed state. Above the insertion area 120, a water supply and a holder cover are arranged inside the housing, which together with the holder sitting in the drawer 122 forms the brewing chamber. This is sealed after inserting the drawer 122 by turning the lever 124 and thereby raising the clamps 126, 128 by pressing the holder and holder cover together.
[024] Figur 2a zeigt eine Draufsicht auf einen in einen Träger eingesetzten erfindungsgemäßen Kaffeepadhalter. Der als Schublade 210 ausgebildete Träger hat einen Bodenbereich 212 und einen erhöhten Randbereich 214, 216. Weiterhin sind Führungsfortsätze 218 vorgesehen, die das Einführen der Schublade 210 in den Ein- schubbereich 120 (siehe Figur lb) erleichtern. In die Schublade 210 ist der Kaffeepadhalter 220 eingesetzt. In der Mitte des Kaffeepadhalters 220 ist eine Auslas söffnung 222 zu erkennen. [025] Figur 2b zeigt eine Seitenansicht einer Schublade mit eingesetztem Kaffeepadhalter. Hier ist zu erkennen, dass die Schublade 210 mit geringem Materialeinsatz gefertigt ist und den Kaffeepadhalter 220 formschlüssig aufnimmt. Der Kaffeepadhalter 220 selbst hat einen umlaufenden Rand 224, und der Bodenbereich 226 des Kaffeepadhalters 220 ist zur Mitte, das heißt zur Auslassöffnung 222 hin geneigt ausgebildet. Der Bodenbereich 226 kann mit hier nicht dargestellten Abstandshaltern versehen sein, die beispielsweise durch Noppen oder Kreissegmenten mit unterschiedlichen Steigungswinkeln gebildet sein können. Ebenfalls ist es möglich, ein Gitter, beispielsweise ein Drahtgitter auf dem Bodenbereich 226 aufzulegen und so einen Abstand zwischen dem Kaffeepad und dem Bodenbereich 226 sicherzustellen.FIG. 2a shows a top view of a coffee pad holder according to the invention inserted into a carrier. The carrier designed as a drawer 210 has a bottom region 212 and a raised edge region 214, 216. Furthermore, guide projections 218 are provided which allow the drawer 210 to be inserted into the lighten thrust area 120 (see Figure lb). The coffee pad holder 220 is inserted into the drawer 210. In the middle of the coffee pad holder 220, an outlet opening 222 can be seen. FIG. 2b shows a side view of a drawer with a coffee pad holder inserted. It can be seen here that the drawer 210 is made with little material and holds the coffee pad holder 220 in a form-fitting manner. The coffee pad holder 220 itself has a peripheral edge 224, and the bottom region 226 of the coffee pad holder 220 is designed to be inclined towards the center, that is to say toward the outlet opening 222. The bottom area 226 can be provided with spacers, not shown here, which can be formed, for example, by knobs or circular segments with different pitch angles. It is also possible to place a grid, for example a wire grid, on the bottom area 226 and thus ensure a distance between the coffee pad and the bottom area 226.
[026] Figur 3 zeigt eine Schnittansicht eines Gehäuseteils einer erfindungsgemäßen Kaffeemaschine. Es sind zahlreiche Details der erfindungsgemäßen Kaffeemaschine dargestellt. Insbesondere ist die aus dem Kaffeepadhalter 320 und einer Halterabdeckung 328 gebildete Brühkammer 330 erkennbar. Die Halteabdeckung 328 ist vorzugsweise aus elastischem Silikon gefertigt, während der Kaffeepadhalter 320 aus Hartkunststoff hergestellt ist. Folglich kann durch das Anpressen des Kaffeepadhalters 320 an die Halterabdeckung 328 ein abgedichteter Druckraum beziehungsweise eine abgedichtete Brühkammer 330 gebildet werden. Das zur Bereitung des Kaffees erforderliche Wasser wird einem Kanal 332 oberhalb der Brühkammer 330 zugeführt, und es gelang von dort durch nicht dargestellte Öffnungen in der Halterabdeckung 328 in die Brühkammer 330. Weiterhin können an der Halterabdeckung 328 Vorsprünge 334 vorgesehen sein, die den eingelegten Kaffeepad gegen den Kaffeepadhalter 320 drücken. Das Anpressen des Kaffeepadhalters 320 gegen die Halterabdeckung 328 erfolgt durch ein Anheben der Klammern 336, 338. Diese Klammern 336, 338 untergreifen den Kaffeepadhalter 320 mit Fortsätzen an ihrem unteren Ende und liegen mit Fortsätzen am gegenüberliegenden Ende auf Endbereichen einer Welle 340 auf. Diese Endbereiche der Welle 340 haben in der Schnittebene einen größeren Durchmesser als senkrecht zur Schnittebene, so dass durch Verdrehen der Welle um 90° die Klammern 336, 338 abgesenkt werden können. Hierdurch wird auch der Kaffeepadhalter 220 abgesenkt, woraufhin er zusammen mit der Schublade aus der Kaffeemaschine entnommen werden kann.[026] FIG. 3 shows a sectional view of a housing part of a coffee machine according to the invention. Numerous details of the coffee machine according to the invention are shown. In particular, the brewing chamber 330 formed from the coffee pad holder 320 and a holder cover 328 can be seen. The holding cover 328 is preferably made of elastic silicone, while the coffee pad holder 320 is made of hard plastic. As a result, a sealed pressure chamber or a sealed brewing chamber 330 can be formed by pressing the coffee pod holder 320 onto the holder cover 328. The water required for the preparation of the coffee is fed to a channel 332 above the brewing chamber 330, and from there it reached the brewing chamber 330 through openings, not shown, in the holder cover 328. Furthermore, projections 334 can be provided on the holder cover 328, which hold the inserted coffee pad press against the coffee pad holder 320. The coffee pad holder 320 is pressed against the holder cover 328 by lifting the clamps 336, 338. These clamps 336, 338 engage under the coffee pad holder 320 with extensions at their lower end and rest with extensions on the opposite end on end regions of a shaft 340. These end regions of the shaft 340 have a larger diameter in the section plane than perpendicular to the section plane, so that the clamps 336, 338 can be lowered by rotating the shaft by 90 °. This also lowers the coffee pad holder 220, whereupon it can be removed from the coffee machine together with the drawer.
[027] Die in der vorstehenden Beschreibung, in den Zeichnungen sowie in den Ansprüchen offenbarten Merkmale der Erfindung können sowohl einzeln als auch in beliebiger KombiDnation für die Verwirklichung der Erfindung wesentlich sein.The in the above description, in the drawings and in the Features of the invention disclosed in claims can be essential for realizing the invention both individually and in any combination.
[028] Bezugszeichenliste:[028] List of reference symbols:
[029] 110 Kaffeemaschine110 coffee machine
[030] 112 Vorderteil112 front part
[031] 114 hintere Baugruppe114 rear assembly
[032] 116 Auslauf116 outlet
[033] 118 Wasserbehälter118 water containers
[034] 120 Einschubbereich120 insertion area
[035] 122 Schublade122 drawer
[036] 124 Hebel124 levers
[037] 126 Klammer[037] 126 bracket
[038] 128 Klammer128 bracket
[039] 210 Schublade210 drawer
[040] 212 Bodenbereich212 floor area
[041] 214 Randbereich[041] 214 edge area
[042] 216 Randbereich[042] 216 edge area
[043] 218 Führungsfortsätze[043] 218 guide processes
[044] 220 Kaffeepadhalter220 coffee pad holder
[045] 222 Auslassöffnung222 exhaust port
[046] 224 umlaufender Rand224 surrounding edge
[047] 226 Bodenbereich[047] 226 floor area
[048] 320 Kaffeepadhalter320 coffee pod holder
[049] 328 Halterabdeckung[049] 328 holder cover
[050] 330 Brühkammer330 brewing chamber
[051] 332 Kanal[051] 332 channel
[052] 334 Vorsprünge[052] 334 protrusions
[053] 336 Klammer[053] 336 clip
[054] 338 Klammer[054] 338 bracket
[055] 340 Welle [055] 340 wave

Claims

Ansprüche Expectations
[001] Kaffeemaschine mit einer Schublade (122, 210), die zum Zuführen eines Kaffeepads mit eingelegtem Kaffeepad in die Kaffeemaschine (110) im Wesentlichen horizontal einschiebbar ist, dadurch gekennzeichnet, dass ein in der Schublade (122, 210) angeordneter Kaffeepadhalter (220) im eingeschobenen Zustand der Schublade (122, 210) von mindestens einer Halteeinrichtung zumindest im Wesentlichen vertikal verschiebbar ist, so dass der Kaffeepadhalter (220) mit der Halteeinrichtung angehoben werden kann, und dass durch Anheben des Kaffeepadhalters (220) eine den Kaffeepad umgebende Brühkammer (330) geschlossen wird.Coffee machine with a drawer (122, 210) which can be inserted horizontally into the coffee machine (110) for feeding a coffee pod with an inserted coffee pod, characterized in that a coffee pod holder (220) arranged in the drawer (122, 210) ) in the inserted state of the drawer (122, 210) can be displaced at least essentially vertically by at least one holding device, so that the coffee pad holder (220) can be lifted with the holding device, and that by lifting the coffee pad holder (220) a brewing chamber surrounding the coffee pad (330) is closed.
[002] Kaffeemaschine nach Anspruch 1, dadurch gekennzeichnet, dass die Halteeinrichtung zwei den Kaffeepadhalter (220) an gegenüberliegenden Seiten umgreifende Klammern (126, 128, 336, 338) aufweist, die von einem Hebelmechanismus angehoben beziehungsweise abgesenkt werden können.Coffee machine according to claim 1, characterized in that the holding device has two brackets (126, 128, 336, 338) encompassing the coffee pad holder (220) on opposite sides, which can be raised or lowered by a lever mechanism.
[003] Kaffeemaschine nach Anspruch 2, dadurch gekennzeichnet, dass jede Klammer (126, 128, 336, 338) an ihrem unteren Ende einen Fortsatz aufweist, der beim Anheben der Halteeinrichtung den Kaffeepadhalter (220) mit einer nach oben gerichteten Kraft beaufschlagt.Coffee machine according to claim 2, characterized in that each bracket (126, 128, 336, 338) has at its lower end an extension which acts on the coffee pad holder (220) when lifting the holding device with an upward force.
[004] Kaffeemaschine nach Anspruch 3, dadurch gekennzeichnet, dass zumindest eine der Klammern (126, 128, 336, 338) einen weiteren Fortsatz aufweist, der beim Absenken der Halteeinrichtung den Kaffeepadhalter (220) mit einer nach unten gerichteten Kraft beaufschlagt.Coffee machine according to claim 3, characterized in that at least one of the brackets (126, 128, 336, 338) has a further extension which acts on the coffee pad holder (220) with a downward force when the holding device is lowered.
[005] Kaffeemaschine nach einem der Ansprüche 2 bis 4, dadurch gekennzeichnet, dass der Hebelmechanismus einen von Hand betätigbaren Hebel (124) aufweist, der an der Oberseite der Kaffeemaschine (110) angeordnet ist. Coffee machine according to one of claims 2 to 4, characterized in that the lever mechanism has a manually operable lever (124) which is arranged on the top of the coffee machine (110).
PCT/EP2005/050327 2004-01-30 2005-01-26 Coffee machine having a drawer through which it is supplied with a coffee pad WO2005072579A1 (en)

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Applications Claiming Priority (2)

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DE102004004830.4 2004-01-30
DE200410004830 DE102004004830A1 (en) 2004-01-30 2004-01-30 Coffee machine with a drawer for feeding a coffee pad

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WO2007138016A1 (en) * 2006-05-31 2007-12-06 BSH Bosch und Siemens Hausgeräte GmbH Movable window on a coffee machine housing

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US3470812A (en) * 1968-03-18 1969-10-07 David J Levinson Coffee brewing head
EP1050258A1 (en) 1999-05-04 2000-11-08 Euromatik S.r.l. Device for feeding precompressed single-serving pods in machines for the production of espresso coffee beverages
WO2001015582A1 (en) 1999-08-17 2001-03-08 Sara Lee/De N.V. Apparatus for preparing coffee
EP1089240A2 (en) * 1999-09-30 2001-04-04 Sanden Corporation Automatic beverage vending machine having a cartridge transfer mechanism for moving a material cartridge from a cartridge storage portion to a beverage extracting device
EP1327407A2 (en) * 2002-01-10 2003-07-16 Societe Des Produits Nestle S.A. Automatic device for the extraction of substances

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US3260190A (en) * 1963-09-23 1966-07-12 David J Levinson Equipment adaptable to brewing coffee in the original sealed container
US3470812A (en) * 1968-03-18 1969-10-07 David J Levinson Coffee brewing head
EP1050258A1 (en) 1999-05-04 2000-11-08 Euromatik S.r.l. Device for feeding precompressed single-serving pods in machines for the production of espresso coffee beverages
WO2001015582A1 (en) 1999-08-17 2001-03-08 Sara Lee/De N.V. Apparatus for preparing coffee
EP1089240A2 (en) * 1999-09-30 2001-04-04 Sanden Corporation Automatic beverage vending machine having a cartridge transfer mechanism for moving a material cartridge from a cartridge storage portion to a beverage extracting device
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WO2007138016A1 (en) * 2006-05-31 2007-12-06 BSH Bosch und Siemens Hausgeräte GmbH Movable window on a coffee machine housing

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CN1913813A (en) 2007-02-14
EP1713363A1 (en) 2006-10-25

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